Talking to Jensen Huang should come with a warning label. The Nvidia CEO is so invested in where AI is headed that, after nearly 90 minutes of spirited conversation, I came away convinced the future will be a neural net nirvana. I could see it all: a robot renaissance, medical godsends, self-driving cars, chatbots that remember. The buildings on the company’s Santa Clara campus weren’t helping. Wherever my eyes landed I saw triangles within triangles, the shape that helped make Nvidia its first ...